public void execute(SPFSession session, FutureSPFResult result, boolean throttle) {
SPFChecker checker;
while ((checker = session.popChecker()) != null) {
// only execute checkers we added (better recursivity)
log.debug("Executing checker: " + checker);
try {
DNSLookupContinuation cont = checker.checkSPF(session);
// if the checker returns a continuation we return it
if (cont != null) {
invokeAsynchService(session, result, cont, throttle);
return;
}
} catch (Exception e) {
while (e != null) {
while (checker == null || !(checker instanceof SPFCheckerExceptionCatcher)) {
checker = session.popChecker();
}
try {
((SPFCheckerExceptionCatcher) checker).onException(e, session);
e = null;
} catch (SPFResultException ex) {
e = ex;
} finally {
checker = null;
}
}
}
}
result.setSPFResult(session);
}
public void run() {
while (true) {
IResponse resp = responseQueue.removeResponse();
Integer respId = (Integer) resp.getId();
SPFSession session = sessions.remove(respId);
FutureSPFResult result = results.remove(respId);
DNSLookupContinuation cont =
(DNSLookupContinuation) session.getAttribute(ATTRIBUTE_STAGED_EXECUTOR_CONTINUATION);
DNSResponse response;
if (resp.getException() != null) {
response = new DNSResponse((TimeoutException) resp.getException());
} else {
response = new DNSResponse(resp.getValue());
}
try {
cont = cont.getListener().onDNSResponse(response, session);
if (cont != null) {
invokeAsynchService(session, result, cont, false);
} else {
execute(session, result, false);
}
} catch (Exception e) {
SPFChecker checker = null;
while (e != null) {
while (checker == null || !(checker instanceof SPFCheckerExceptionCatcher)) {
checker = session.popChecker();
}
try {
((SPFCheckerExceptionCatcher) checker).onException(e, session);
e = null;
} catch (SPFResultException ex) {
e = ex;
} finally {
checker = null;
}
}
execute(session, result, false);
}
}
}